/* 基础样式 */
:root {
  font-family: system-ui, Avenir, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  font-weight: 400;
  font-synthesis: none;
  text-rendering: optimizelegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background-color: var(--bg-color);
  color: var(--text-color);
  transition:
    background-color 0.3s,
    color 0.3s;
}

#app {
  margin: 0 auto;
  padding: 0;
}
